EP2899166B1 - Regenerator für glasschmelzwannen - Google Patents

Regenerator für glasschmelzwannen Download PDF

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Publication number
EP2899166B1
EP2899166B1 EP15150798.5A EP15150798A EP2899166B1 EP 2899166 B1 EP2899166 B1 EP 2899166B1 EP 15150798 A EP15150798 A EP 15150798A EP 2899166 B1 EP2899166 B1 EP 2899166B1
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EP
European Patent Office
Prior art keywords
chamber
ceiling
glass
regenerator
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15150798.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2899166A1 (de
Inventor
Alexander Sorg
Matthias Lindig
Thomas Breitfelder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beteiligungen Sorg GmbH and Co KG
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Beteiligungen Sorg GmbH and Co KG
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Priority to PL15150798T priority Critical patent/PL2899166T3/pl
Publication of EP2899166A1 publication Critical patent/EP2899166A1/de
Application granted granted Critical
Publication of EP2899166B1 publication Critical patent/EP2899166B1/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C03B5/237—Regenerators or recuperators specially adapted for glass-melting furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C03B5/237—Regenerators or recuperators specially adapted for glass-melting furnaces
    • C03B5/2375—Regenerator brick design ; Use of materials therefor; Brick stacking arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
    • F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0077—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements
    • F28D2021/0078—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements in the form of cooling walls
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping

Definitions

  • the invention relates to a system comprising a regenerator and a glass melting tank connected to the regenerator, wherein the regenerator is adapted for storing waste heat from combustion cycles and for delivering the stored heat to externally supplied oxidizing gases with a gas-permeable chamber lattice, wherein the chamber lattice from regenerative chambers with a Chamber set of refractory bricks, which are held together by lateral wall elements, an upper boundary surface and a lower boundary surface having distances from a chamber ceiling and a chamber bottom, wherein above the chamber grid a ceiling area for entering the chamber lattice combustion gases and emerging from the chamber lattice Oxidation gases is arranged, wherein the ceiling area is connected via a burner port with the glass melting tank, wherein the vertical cross section of the burner port at least partially below the upper n limiting surface of the chamber grid is arranged in the ceiling area and merging with the chamber ceiling another ceiling section which closes the ceiling area up and is bounded by a downwardly projecting end wall, which is
  • the dimensioning of the lattice works depends essentially on the overall performance of the glass melting tanks. With increasing height of the regenerator and fixed position of the glass melting tanks this requires either a lowered foundation or an increased space requirement. Both bring significant disadvantages.
  • GB707607 A teaches the cooling of the foundation area of regenerators.
  • the invention is therefore based on the object to increase the stability of serving as a partition wall element in a system of the type mentioned.
  • portion of the lateral wall element is formed between the substantially perpendicular flow channel and the upper portion of the chamber grid as an intermediate wall with a cooling passage arranged therein.
  • the flow channel forms a U-shaped flow path together with the flow path within the chamber lattice.
  • the intermediate wall extends from the bottom of the burner port to the upper edge of the wall element. In this area, the wall element is exposed directly to the combustion gases of the glass melting furnace.
  • cooling tubes are arranged in the intermediate wall. These run suitably horizontally through the entire partition.
  • cooling tubes are traversed by air or a liquid or gaseous cooling medium.
  • the intermediate wall in this horizontally stacked cavities are formed, which have openings for the introduction and withdrawal of a cooling medium on both sides.
  • inventive features of the invention can be used advantageously both in glass melting furnaces with a formed as a U-flame tank glass melting tank, which have two juxtaposed regenerative chambers with cooled partitions, or in glass melting furnaces with a trained as Querbrennerwanne glass melting tank, the oppositely disposed regenerative chambers with cooled partitions respectively.
  • glass melting tank 1 (hereinafter referred to as "melting tank") is shown in a plane which coincides with the plane of symmetry of one of the two burner ports 2.
  • the burners in the burner ports 2 are not shown for the sake of simplicity. It is also possible to use so-called “underport” burners, of which one mouth 3 is indicated below the bottom 4 of the burner port 2.
  • a molten glass 5 with a melt level 6 and a main flow direction to a discharge device 7, to which a consumer, not shown, is connected.
  • the burner port 2 has a vertical inner cross-section 8. It is connected via the torch neck 9 of the burner port 2 to a regenerator 10.
  • chamber lattices 11 are arranged. These are surrounded by wall elements 12 and 13 and are held together by these.
  • the regenerator 10 has a respective chamber bottom 14 spaced apart from the chamber lattice 11 and a chamber ceiling 15.
  • the chamber grid 11 has an upper boundary surface 16 and a lower boundary surface 17.
  • the chamber ceiling 15 is adjoined by a further ceiling section 18, which is bounded by a downwardly projecting end wall 19, which is connected to the burner neck 9.
  • the lower edge 20 of the end wall 19 is in the illustrated embodiment, below the upper boundary surface 16 of the chamber grid 11.
  • the wall element 12 is formed correspondingly shortened in height.
  • the upper region of the wall element 13 forms with the chamber ceiling 15, the further ceiling section 18 and the end wall 19 above the chamber grid 11, a ceiling region 21, which is also referred to as a headspace.
  • a downwardly directed U-shaped flow channel 23 is formed on both sides of the wall element 12 and the upper edge 22 in the ceiling region 21.
  • regenerator 10 is - in the illustration in FIG. 1 concealed - in mirror-symmetrical arrangement to the central longitudinal plane of the melting tank 1, a second regenerator with a second burner port. Both are operated in a periodic reversal cycle. While a regenerator 10 is charged from below with fresh oxidizing gas, which is then mixed with fossil fuels and burned, the flow direction in the other regenerator 10 is reversed after switching off the burner, the chamber grid 11 is heated again.
  • the cycle time is usually about 15 to 25 minutes.
  • this part of the wall element 12 is formed as an intermediate wall 24 with a cooling passage 25.
  • the cooling passage 25 consists of cooling tubes 26, is passed through the air or other liquid or gaseous cooling medium. How FIG. 2 shows, a plurality of cooling tubes 26 are arranged one above the other in the intermediate wall 24. These penetrate the intermediate wall 24 completely (see FIG. 3 ).
  • cooling tubes 26 may be formed for the cooling of the intermediate wall 24 in this (not shown) horizontally stacked cavities, which are formed laterally accessible for the introduction and withdrawal of a cooling medium.
  • Regenerators 10 with cooled partitions 24 can in the same way both in conjunction with U-flame pans 1 according to FIG. 1 as well as with transverse burner troughs 27 according to FIG. 4 be used. Their parts are largely identical, so that in FIG. 4 like parts are provided with the same reference numerals.
  • the viewing direction into the melting tank 27 takes place in the direction of its longitudinal axis and the flow direction of the glass to the discharge device, which is not shown. Also in the embodiment according to FIG. 4 the mirror-symmetrically opposite regenerators 10 are operated alternately for heat recovery.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
EP15150798.5A 2014-01-27 2015-01-12 Regenerator für glasschmelzwannen Active EP2899166B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15150798T PL2899166T3 (pl) 2014-01-27 2015-01-12 System złożony z regeneratora i wanny do wytopu szkła

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014000849.5A DE102014000849B3 (de) 2014-01-27 2014-01-27 Regenerator für Glasschmelzwannen

Publications (2)

Publication Number Publication Date
EP2899166A1 EP2899166A1 (de) 2015-07-29
EP2899166B1 true EP2899166B1 (de) 2019-11-20

Family

ID=52444098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15150798.5A Active EP2899166B1 (de) 2014-01-27 2015-01-12 Regenerator für glasschmelzwannen

Country Status (8)

Country Link
US (1) US9815727B2 (pl)
EP (1) EP2899166B1 (pl)
JP (1) JP2015145330A (pl)
CN (1) CN104803581A (pl)
DE (2) DE102014000849B3 (pl)
MX (1) MX353798B (pl)
PL (1) PL2899166T3 (pl)
RU (1) RU2015102440A (pl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105698551B (zh) * 2016-04-07 2017-08-25 黄志祥 一种废气热能回收换热器
JP6984241B2 (ja) * 2017-08-31 2021-12-17 セイコーエプソン株式会社 液体タンク
TWI826432B (zh) * 2018-04-06 2023-12-21 美商康寧公司 玻璃熔融系統的排放導管
PL3867201T3 (pl) * 2018-10-16 2023-09-04 Praxair Technology, Inc. Sposób recyklingu gazów spalinowych na potrzeby regeneracji termochemicznej
CN110590125A (zh) * 2019-09-27 2019-12-20 中国建材国际工程集团有限公司 端烧玻璃熔窑
CN112299683A (zh) * 2020-10-10 2021-02-02 中国建材国际工程集团有限公司 一种小炉与蓄热室连接结构
CN116675420A (zh) * 2021-07-20 2023-09-01 福州新福兴玻璃科技有限公司 一种控制玻璃熔窑侵蚀的系统和方法
CN113624022B (zh) * 2021-08-05 2025-08-12 中国科学院广州能源研究所 玻璃窑炉蓄热燃烧系统及实现低氮氧化物排放的方法
EP4722170A1 (en) 2024-10-07 2026-04-08 Refractory Intellectual Property GmbH & Co. KG Refractory inlay and checker brick system for a regenerator

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
BE447935A (pl) *
US1058647A (en) * 1912-07-30 1913-04-08 Fr D Expl De Fours Speciaux Aa Haute Temperature Soc Reverberatory furnace.
US2068924A (en) 1932-12-02 1937-01-26 Hartford Empire Co Regenerator tank and method of operating the same
US2191354A (en) * 1939-08-15 1940-02-20 Rateau Henri Open hearth furnace and method of operating the same
US2597585A (en) * 1949-07-01 1952-05-20 George E Howard Glass melting method and apparatus
GB707607A (en) * 1950-12-06 1954-04-21 Oesterr Amerikan Magnesit Improvements in or relating to furnaces
US2679389A (en) * 1953-03-23 1954-05-25 Inland Steel Co Furnace structure
US2860449A (en) * 1955-07-07 1958-11-18 Thermal Engineering Company Continuous glass melting furnace
FR1202858A (fr) * 1957-01-29 1960-01-14 Procédé et dispositif de récupération de la chaleur des fumées des fours industriels
US3009690A (en) * 1957-01-29 1961-11-21 Brichard Edgard Recovery of heat from the fumes of industrial furnaces
US3437327A (en) * 1968-02-26 1969-04-08 Owens Corning Fiberglass Corp Wall construction for melting tanks
US4047560A (en) * 1975-07-08 1977-09-13 Ppg Industries, Inc. Regenerator flow control
US4807695A (en) * 1985-08-27 1989-02-28 British Gas Plc Regenerator for a regenerative heating system
US4744809A (en) * 1987-01-02 1988-05-17 Ppg Industries, Inc. Method and apparatus for homogenizing flat glass
DE10208535A1 (de) * 2002-02-27 2003-09-11 Schott Glas Mit einer Glasschmelze beaufschlagte, gekühlte Begrenzungswand einer Glasschmelzanlage
US8707740B2 (en) * 2011-10-07 2014-04-29 Johns Manville Submerged combustion glass manufacturing systems and methods
CN201785300U (zh) * 2010-09-17 2011-04-06 杨月强 玻璃窑炉防堵塞蓄热室
CN202022840U (zh) * 2011-01-05 2011-11-02 重庆莱弗窑炉工程有限公司 一种新型玻璃窑炉

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
US20150210581A1 (en) 2015-07-30
EP2899166A1 (de) 2015-07-29
CN104803581A (zh) 2015-07-29
MX353798B (es) 2018-01-29
PL2899166T3 (pl) 2020-05-18
DE202014001242U1 (de) 2014-04-24
JP2015145330A (ja) 2015-08-13
MX2015001208A (es) 2015-07-27
DE102014000849B3 (de) 2015-05-28
RU2015102440A (ru) 2016-08-10
US9815727B2 (en) 2017-11-14

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